Amazon's fourth annual Prime Day kicked off Monday to much fanfare, but it didn't quite go off without a hitch.
Some users [reported](https://twitter.com/CNET/status/1018934859505385472) getting error messages, while others got stuck in a loop that kept redirecting them back to the main sale site.
The issues came in the opening minutes of what the e-commerce giant has touted as a shopping holiday bigger than Black Friday or Cyber Monday. Research firm eMarketer estimated the company could bring in revenues of as much as $3.4 billion during the event, eclipsing the estimated $2.4 billion spent last year.
Whether the glitches affect results will be closely watched by analysts and investors ー shares of Amazon, which hit all-time highs early in the day Monday, pared gains after news of the problems.
Prime Day began at 3 pm ET on Monday and lasts 36 hours. This year's event is six hours longer than last year's.
Union workers at Mack Trucks went on strike Monday after voting down a tentative five-year contract agreement that negotiators had reached with the company.
Claudia Goldin, a Harvard University professor, was awarded the Nobel economics prize on Monday for research that helps explain why women around the world are less likely than men to work and to earn less money when they do.
The Week's Top Stories is a guided tour through the biggest market stories of the week, from winning stocks to brutal dips to the facts and forecasts generating buzz on Wall Street. This week we focus on MGM Resorts, Clorox, United Airlines, Google and HP.
